Home / 87,683.43-131,537.88-27,691.59

Finding the Fourth Proportional to 87,683.43, 131,537.88 and 27,691.59

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Solution

The fourth proportional to 87,683.43, 131,537.88 and 27,691.59 is: 41,541.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,683.43 : 131,537.88 = 27,691.59 : x
  2. Step 2: Convert to fraction form
    87,683.43/131,537.88 = 27,691.59/x
  3. Step 3: Cross multiply
    87,683.43x = 131,537.88 × 27,691.59
  4. Step 4: Simplify right side
    87,683.43x = 3,642,493,042.43
  5. Step 5: Solve for x
    x = 3,642,493,042.43/87,683.43
  6. Step 6: Final answer
    x = 41,541.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.